64 lines
1.5 KiB
Python
64 lines
1.5 KiB
Python
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from math import sqrt
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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def newIcon(icon):
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return QIcon(':/' + icon)
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def newButton(text, icon=None, slot=None):
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b = QPushButton(text)
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if icon is not None:
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b.setIcon(newIcon(icon))
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if slot is not None:
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b.clicked.connect(slot)
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return b
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def newAction(parent, text, slot=None, shortcut=None, icon=None,
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tip=None, checkable=False, enabled=True):
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"""Create a new action and assign callbacks, shortcuts, etc."""
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a = QAction(text, parent)
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if icon is not None:
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a.setIcon(newIcon(icon))
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if shortcut is not None:
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if isinstance(shortcut, (list, tuple)):
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a.setShortcuts(shortcut)
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else:
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a.setShortcut(shortcut)
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if tip is not None:
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a.setToolTip(tip)
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a.setStatusTip(tip)
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if slot is not None:
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a.triggered.connect(slot)
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if checkable:
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a.setCheckable(True)
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a.setEnabled(enabled)
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return a
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def addActions(widget, actions):
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for action in actions:
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if action is None:
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widget.addSeparator()
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elif isinstance(action, QMenu):
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widget.addMenu(action)
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else:
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widget.addAction(action)
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def labelValidator():
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return QRegExpValidator(QRegExp(r'^[^ \t].+'), None)
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class struct(object):
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def __init__(self, **kwargs):
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self.__dict__.update(kwargs)
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def distance(p):
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return sqrt(p.x() * p.x() + p.y() * p.y())
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def fmtShortcut(text):
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mod, key = text.split('+', 1)
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return '<b>%s</b>+<b>%s</b>' % (mod, key)
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